CN101793042B - Hydraulic loop device used for coordinating machine body rotation and movable arm swinging of digging machine - Google Patents
Hydraulic loop device used for coordinating machine body rotation and movable arm swinging of digging machine Download PDFInfo
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- CN101793042B CN101793042B CN200910215454XA CN200910215454A CN101793042B CN 101793042 B CN101793042 B CN 101793042B CN 200910215454X A CN200910215454X A CN 200910215454XA CN 200910215454 A CN200910215454 A CN 200910215454A CN 101793042 B CN101793042 B CN 101793042B
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- valve
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- swing arm
- hydraulic
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- 239000012530 fluid Substances 0.000 claims description 22
- 239000010720 hydraulic oil Substances 0.000 claims description 9
- 230000000630 rising effect Effects 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract 2
- 239000002131 composite material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000017105 transposition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN200910215454XA CN101793042B (en) | 2009-12-31 | 2009-12-31 | Hydraulic loop device used for coordinating machine body rotation and movable arm swinging of digging machine |
Applications Claiming Priority (1)
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CN200910215454XA CN101793042B (en) | 2009-12-31 | 2009-12-31 | Hydraulic loop device used for coordinating machine body rotation and movable arm swinging of digging machine |
Publications (2)
Publication Number | Publication Date |
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CN101793042A CN101793042A (en) | 2010-08-04 |
CN101793042B true CN101793042B (en) | 2011-12-07 |
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CN200910215454XA Active CN101793042B (en) | 2009-12-31 | 2009-12-31 | Hydraulic loop device used for coordinating machine body rotation and movable arm swinging of digging machine |
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CN (1) | CN101793042B (en) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5797061B2 (en) * | 2011-08-24 | 2015-10-21 | 株式会社小松製作所 | Excavator |
CN102400476B (en) * | 2011-10-28 | 2013-08-21 | 山河智能装备股份有限公司 | Hydraulic circuit controlling preferred movement of moveable arm to lift or rotate |
WO2013169996A1 (en) * | 2012-05-10 | 2013-11-14 | Eaton Corporation | Load energy assist and horsepower management system |
CN102720232B (en) * | 2012-06-15 | 2014-10-29 | 江苏柳工机械有限公司 | Damping device of swing arms of slipping steering loaders |
CN102808433B (en) * | 2012-08-13 | 2014-07-16 | 山河智能装备股份有限公司 | Hydraulic circuit and method for controlling compound actions of excavator movable arm |
CN103047204B (en) * | 2013-01-05 | 2015-06-17 | 中联重科股份有限公司 | Engineering machine and hydraulic control operation system and hydraulic control operation method thereof |
CN103161191A (en) * | 2013-03-13 | 2013-06-19 | 福田雷沃国际重工股份有限公司 | Control oil line and control method of independent rotation speeding down of excavator |
CN103410803B (en) * | 2013-08-13 | 2015-11-25 | 常德中联重科液压有限公司 | The hydraulic control system of pilot operated directional control valve, coordinated signals hydraulic system and excavator |
WO2016002850A1 (en) * | 2014-07-03 | 2016-01-07 | 住友重機械工業株式会社 | Shovel and method for controlling shovel |
CN104481958B (en) * | 2014-11-10 | 2017-08-15 | 广西柳工机械股份有限公司 | A kind of confluence selection function pilot operated valve device and loading machine determine variable delivery hydraulic system |
CN105386477B (en) * | 2015-10-30 | 2017-11-21 | 徐州徐工挖掘机械有限公司 | Swing arm declines the device of energy absorption during a kind of excavator composite move |
CN105761605A (en) * | 2016-05-09 | 2016-07-13 | 常州机电职业技术学院 | Hydraulic practical training table for engineering machines |
CN106884455B (en) * | 2017-03-08 | 2019-05-28 | 青岛雷沃工程机械有限公司 | Operating condition self-adaptive hydraulic circuit and excavator |
CN106988374A (en) * | 2017-05-31 | 2017-07-28 | 徐州徐工挖掘机械有限公司 | A kind of excavator energy regenerating oil-supplementing system and its method |
CN107201758B (en) * | 2017-06-15 | 2020-09-11 | 柳州柳工挖掘机有限公司 | Hydraulic system of excavator |
CN108825596A (en) * | 2018-08-28 | 2018-11-16 | 长沙学院 | The velocity feedback formula of hydraulic gyration mechanism is accurately positioned anti-swing control device and method |
CN112384662A (en) * | 2018-08-30 | 2021-02-19 | 沃尔沃建筑设备公司 | Hydraulic circuit for construction equipment |
CN111364550A (en) * | 2020-04-13 | 2020-07-03 | 三一重机有限公司 | Split type hydraulic multi-way reversing valve system and excavator |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1129964A (en) * | 1994-06-28 | 1996-08-28 | 日立建机株式会社 | Hydraulic circuit apparatus for hydraulic excavators |
EP1452743A1 (en) * | 2001-11-05 | 2004-09-01 | Hitachi Construction Machinery Co., Ltd. | Hydraulic circuit device of hydraulic working machine |
CN101120142A (en) * | 2005-02-17 | 2008-02-06 | 沃尔沃建造设备控股(瑞典)有限公司 | Apparatus and method for controlling work vehicle |
CN201620434U (en) * | 2009-12-31 | 2010-11-03 | 福田雷沃国际重工股份有限公司 | Hydraulic circuit device for coordinating body rotation and movable arm swing of digging machine |
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2009
- 2009-12-31 CN CN200910215454XA patent/CN101793042B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1129964A (en) * | 1994-06-28 | 1996-08-28 | 日立建机株式会社 | Hydraulic circuit apparatus for hydraulic excavators |
EP1452743A1 (en) * | 2001-11-05 | 2004-09-01 | Hitachi Construction Machinery Co., Ltd. | Hydraulic circuit device of hydraulic working machine |
CN101120142A (en) * | 2005-02-17 | 2008-02-06 | 沃尔沃建造设备控股(瑞典)有限公司 | Apparatus and method for controlling work vehicle |
CN201620434U (en) * | 2009-12-31 | 2010-11-03 | 福田雷沃国际重工股份有限公司 | Hydraulic circuit device for coordinating body rotation and movable arm swing of digging machine |
Non-Patent Citations (1)
Title |
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JP特开2001-182100A 2001.07.03 |
Also Published As
Publication number | Publication date |
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CN101793042A (en) | 2010-08-04 |
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Owner name: QINGDAO LEIWO EXCAVATOR CO., LTD. Free format text: FORMER OWNER: FUTIAN LEIWO INTERNATIONAL HEAVY INDUSTRY CO., LTD. Effective date: 20140902 |
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Effective date of registration: 20140902 Address after: 266500, No. 75 east the Yellow River Road, Huangdao economic and Technological Development Zone, Qingdao, Shandong Patentee after: QINGDAO LOVOL EXCAVATOR Co.,Ltd. Address before: 261206 Beihai South Road, Fangzi District, Shandong, No. 192, No. Patentee before: FOTON LOVOL INTERNATIONAL HEAVY INDUSTRY Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder |
Address after: 266500, No. 75 east the Yellow River Road, Huangdao economic and Technological Development Zone, Qingdao, Shandong Patentee after: QINGDAO LOVOL ENGINEERING MACHINERY Co.,Ltd. Address before: 266500, No. 75 east the Yellow River Road, Huangdao economic and Technological Development Zone, Qingdao, Shandong Patentee before: QINGDAO LOVOL EXCAVATOR Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 266500, No. 75 east the Yellow River Road, Huangdao economic and Technological Development Zone, Qingdao, Shandong Patentee after: LOVOL Engineering Machinery Group Co.,Ltd. Address before: 266500, No. 75 east the Yellow River Road, Huangdao economic and Technological Development Zone, Qingdao, Shandong Patentee before: QINGDAO LOVOL ENGINEERING MACHINERY Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 266500 No. 75 East Huanghe Road, Huangdao Economic and Technological Development Zone, Qingdao City, Shandong Province Patentee after: Lovol Heavy Industry Group Co.,Ltd. Address before: 266500 No. 75 East Huanghe Road, Huangdao Economic and Technological Development Zone, Qingdao City, Shandong Province Patentee before: LOVOL Engineering Machinery Group Co.,Ltd. |